Classifications

• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
  • C11D1/38—Cationic compounds
  • C11D1/62—Quaternary ammonium compounds
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
  • C11D3/02—Inorganic compounds ; Elemental compounds
  • C11D3/04—Water-soluble compounds
  • C11D3/046—Salts

Definitions

• compositions containing quaternary ammonium salts or imidazolinium compounds having at least one long chain hydrocarbyl group are commonly used to provide fabric treatment properties, particularly fabric softening benefits, when used in a laundry rinse operation.
• the present invention provides stable, dispersible, textile treatment compositions comprising: (a) about 1 % to about 35% of a biodegradable fatty ester quaternary ammonium compound derived from the reaction of an alkanol amine and a fatty acid derivative, followed by quaternization; and
• the composition may include other agents, as desired, including water. These compositions may be provided as ready-to-use products or as concentrates to be used at reduced levels, or which may be diluted with water prior to use at the same or similar levels as the ready-to-use products.
• the products may be used as textile treatment compositions during the fabric manufacturing process, or as fabric softener compositions in an in-home laundry context.
• a quaternary ammonium compound useful in the defined compositions has the formula:
• Q is a carboxyl group having the structure selected from — OCO — and — COO;
• R 1 is an aliphatic hydrocarbon group having from 8-22 carbon atoms;
• R 2 is selected from Q-R 1 and — OH;
• q, r, s, and t each independently represent a number from 1 to 3;
• X a is an anion having a valence equal to "a".
• the present invention relates to dispersible aqueous textile treating compositions that comprise a biodegradable fatty ester quaternary ammonium compound, a periodate salt, and water.
• the compositions may also contain conventional additives found in fabric treating compositions for their regular and intended use, at their regular and intended usage levels.
• the compositions claimed encompass rinse-added fabric softener compositions which may be used in the home laundering process. In addition, they encompass compositions which are utilized in the textile manufacturing process for providing desirable finishes to fabrics.
• the compositions encompassed by the present invention also include compositions which are supplied to the user at usable strength, as well as compositions which are obtained as concentrates which then may be diluted to usable strength or may be applied in their concentrated form.
• the quaternary ammonium softener material utilized in the compositions of the present invention is a biodegradable fatty acid quaternary ammonium compound known as an esterquat. These materials are present in the compositions of the present invention at about 1% to about 35% of the composition, preferably about 1% to about 25% of the composition, more preferably about 1% to about 10% of the composition.
• the esterquat materials are derived from the reaction of an alkanol amine and a fatty acid derivative, followed by quaternization (complete or partial) of the product.
• One embodiment of such esterquat materials has the following formula:
• Q is a carboxyl group having the structure selected from — OCO — and
• R 1 is an aliphatic hydrocarbon group having from 8 to 22 carbon atoms, preferably a Qo to C?o alkyl group
• R 2 is selected from Q — R 1 and —OH
• q, r, s, t each independently represent a number from 1 to 3
• X" a is an anion having a valence "a".
• Preferred anion materials include chloride, bromide, and methyl sulfate.
• these defined materials comprise a mixture of monoesters, diesters, and triesters.
• a specific embodiment of such materials is described in PCT Published Patent Application WO 2004/044113, Crutzen, published May 27, 2004, incorporated herein by reference.
• the normalized percentage of monoester compound in said fatty ester quaternary ammonium compound is from 28% to 39%; the normalized percentage of diester compound is from 52% to 62%, and the normalized percentage of triester compound is from 7% to 14%, all percentages being by weight.
• the biodegradable fatty acid quaternary ammonium compound is an oligomeric esterquat, obtainable by reaction of an alkanol amine with (i) a polycarboxylic acid; and (ii) a fatty alcohol or a fatty acid or a mixture of fatty alcohols and fatty acids, followed by partial quaternization, thereby forming a mixture of oligomeric ester amines and esterquat.
• This material is described in U.S. Patent 6,992,058, Grandmaire et ah, issued January 31, 2006, and European Published Application EP 1 136471, both of which are incorporated herein by reference.
• the alkanol amine is triethanol amine.
• the carboxylic acid is a polycarboxylic acid, more preferably a dicarboxylic acid.
• An example of such an esterquat material is commercially available from Kao Chemicals, under the tradename Tetranyl CL518.
• Embodiments of the quaternary ammonium compounds useful in the present invention include those in which R 1 is Cio — C20 alkyl. Further, in specific embodiments, one of the R 2 groups is Q-R 1 . In another embodiment, both R 2 groups are Q— R 1 . In a further embodiment, both R 2 groups are — OH.
• Another component of the present invention is a periodate salt, which includes periodate-derived materials.
• the periodate salt is present at about 0.001% to about 1.0% of the textile treating composition by weight.
• Other embodiments of the present invention may incorporate the periodate salt at about 0.001 % to about 0.1% of the composition by weight.
• An embodiment of the invention incorporates the quaternary ammonium material and the periodate salt at a quaternary ammonium/ periodate molar ratio of about 1 to about 4.
• Examples of periodate salts useful in the present invention include potassium periodate, lithium periodate, sodium periodate and mixtures of those materials.
• a preferred material is potassium periodate.
• compositions of the present invention are water dispersions, such that the bulk of the balance of the composition is water.
• the composition will be acidic, having a pH of about 2 to about 6.
• Materials, such as acids or acid salts, can be added to the composition to control the pH of the composition.
• An example of a material that can be added is lactic acid. It is the acidity of the composition which makes it particularly important to stabilize the esterquat material.
• Optional ingredients that are known in the art of treating textiles can be used to further improve the stability, the aesthetics, or the performance of the composition of this invention.
• Perfumes may be added to enhance the freshness of the laundered clothing (or just to enhance the aesthetics of the composition itself).
• compositions of the invention often contain a fatty alcohol ethoxylate nonionic surfactant to emulsify the perfume present in the composition.
• a fatty alcohol ethoxylate nonionic surfactant to emulsify the perfume present in the composition.
• the presence of an emulsifier ensures the physical stability of the composition which may otherwise be destabilized by the presence of perfume or fragrance in the composition.
• the fatty alcohol ethoxylates useful in the invention correspond to ethylene oxide condensation products of higher fatty alcohols, with the higher fatty alcohol containing about 9 to about 15 carbon atoms and the number of ethylene oxide groups per mole being about 5 to about 30.
• perfume is used in its ordinary sense to refer to and include any non-water soluble substance or a mixture of substances, including natural (i.e., obtained by extraction of flowers, herbs, blossoms, or plants), artificial (i.e., mixtures of natural oils or oil constituents), and synthetically produced odoriferous substances.
• natural i.e., obtained by extraction of flowers, herbs, blossoms, or plants
• artificial i.e., mixtures of natural oils or oil constituents
• synthetically produced odoriferous substances e.e., perfumes are complex mixtures or blends of various organic compounds, such as alcohols, aldehydes, ethers, aromatic compounds, and varying amounts of essential oils (e.g., terpines), the essential oils themselves being volatile, odoriferous compounds, and also serving to dissolve the other components of the perfume.
• essential oils e.g., terpines
• the particular composition of the perfume is of no importance with regard to the performance of the liquid textile treating composition, so long as it can be incorporated into the composition and has a pleasing odor.
• the composition may contain a polyethylene glycol polymer or a polyethylene glycol alkyl ether polymer.
• the polyethylene glycol polymers as used herein have a molecular weight of at least about 200, up to a molecular weight of about 8,000.
• Useful polymers include the polyethylene glycol methyl ether polymers marketed by Aldrich Chemical Company.
• Useful amounts of polymer in the compositions range about 0.1% to about 5% by weight. A range about 0.5% to about 1.5% by weight is preferred.
• rheology modifiers and thickeners for use herein are well known in the art, and may be chosen from polymeric rheology modifiers and inorganic rheology modifiers.
• the former type include cationic polymers, such as copolymers of acrylamide and quaternary ammonium acrylate, and the like.
• cationic polymers such as copolymers of acrylamide and quaternary ammonium acrylate, and the like.
• only minor amounts up to about 1%, preferably up to about 0.8%, such as, for example, about 0.1% to about 0.6%, by weight, provide acceptable viscosity levels over time.
• co-softeners for use in the present invention are, for example, fatty alcohols, glycerol monostearate (GMS) and glycerol mono-oleate (GMO).
• GMS glycerol monostearate
• GMO glycerol mono-oleate
• nonionic humectants such as polyacrylates, polymethacrylates, silicones, starch derivatives, and poly olefin waxes.
• Anti-dye transfer polymeric materials such as polyvinyl pyrrolidone-type compounds may also be added to the present compositions.
• Sequestering materials such as polyphosphonates and polycarboxylic materials, can be used to neutralize water impurities, such as minerals (calcium, magnesium, copper), to protect the color of the clothes being laundered.
• Typical components of this type include, but are not limited to, colorants (e.g., dyes or pigments), bluing agents, preservatives, germicides and perfumes.
• the final product whether in concentrated or diluted form, must be easily pourable by the end user. Generally, therefore, the final product viscosity (for a freshly prepared sample) should not exceed about 1500 centipoise, but should not be too low, for example, not less than about 50 centipoise.
• the preferred viscosity for the invention concentrated product is in the range of about 120 to about 1000 cps. As used herein, unless otherwise specified, viscosity is measured at 25° C (22-26° C) using a Brookfield RVTD digital viscometer with spindle #2 at 50 rpm.
• Concentrated compositions may be diluted by a factor of generally 4:1, or more preferably up to about 8:1, or even 10:1.
• Concentrated products with up to about 35% softeners may be prepared and will remain pourable and stable against phase separation or suspended particle agglomeration for extended periods of time.
• a composition with about 28% softeners can be diluted to about 5% active to provide equivalent or superior softening performance to a product containing about 7% of ditallow dimethyl ammonium chloride (DTDMAC).
• DTDMAC ditallow dimethyl ammonium chloride
• the composition will normally contain sufficient softener to be effective when added to the rinse water in an amount of about 1/8 to 3/4 of a cup (1 to 6 ounces), providing about 50 ppm to about 250 ppm of the softener in the rinse water.
• the compositions are typically formulated at about 50 to about 250 ppm in an aqueous solution and applied (e.g., padded onto) the finished fabric, and dried.
• compositions of the present invention are able to provide additional benefits beyond fabric softening to fabrics and laundry, which are conditioned with such compositions. Principally, it is noted that these compositions can provide improved color protection by dye transfer inhibition to treated fabrics, as well as improved care benefits by minimizing fabric abrasion. This has the effect of enhancing fabric appearance and extending fabric longevity.
• compositions of the present invention are made by any means known or to be developed in the art.
• the example illustrates the compositions of the present invention and the benefits provided by those compositions.
• the presence of the periodate salt in the compositions decreases the hydrolysis rate of the esterquat softening component and maintains the physical characteristics of the esterquat-containing fabric softener composition.
• a reference composition and a composition of the present invention having the components set forth below, are made as follows:
• the hydrolysis rate of the esterquat component is determined by measuring the amount of free fatty acid generated by fatty ester of alkanol amine hydrolysis. Free fatty acid is determined by gas chromatograph analysis. The free fatty acids and free fatty alcohols are determined by capillary gas chromatography in the presence of pentadecanoid acid (C15:0) as internal standard. After solublization of the product in dimethyl f ormamide, the fatty acids and fatty alcohols are converted to their trimethyl silyl derivatives with BSTFA. Their levels are calculated by peak area integration with reference to previously determined response factors. The results of the free fatty acid determinations are reported in the following tables:
• the presence of free fatty acid is known to modify the aesthetics of a fabric softener product.
• the main characteristic affected is the viscosity of the product.
• the viscosity objective is to maintain the product fluid enough to be poured out of the container.
• the upper limit is about 800 cps after a 12 week aging at a maximum temperature of 43°C.

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• Chemical & Material Sciences (AREA)
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• Engineering & Computer Science (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Oil, Petroleum & Natural Gas (AREA)
• Wood Science & Technology (AREA)
• Organic Chemistry (AREA)
• Inorganic Chemistry (AREA)
• Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
• Agricultural Chemicals And Associated Chemicals (AREA)
• Detergent Compositions (AREA)

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• 2007
  • 2007-05-04 AU AU2007247988A patent/AU2007247988A1/en not_active Abandoned
  • 2007-05-04 CA CA002650244A patent/CA2650244A1/en not_active Abandoned
  • 2007-05-04 BR BRPI0709643-7A patent/BRPI0709643A2/pt not_active IP Right Cessation
  • 2007-05-04 RU RU2008147890/04A patent/RU2008147890A/ru not_active Application Discontinuation
  • 2007-05-04 US US11/744,280 patent/US20070256249A1/en not_active Abandoned
  • 2007-05-04 MX MX2008013615A patent/MX2008013615A/es unknown
  • 2007-05-04 CN CNA2007800162907A patent/CN101437930A/zh active Pending
  • 2007-05-04 WO PCT/US2007/068208 patent/WO2007131152A1/en active Application Filing
  • 2007-05-04 EP EP07761872A patent/EP2021446A1/en not_active Withdrawn
• 2008
  • 2008-10-16 ZA ZA200808871A patent/ZA200808871B/xx unknown
  • 2008-10-28 IL IL194969A patent/IL194969A0/en unknown
  • 2008-12-04 NO NO20085075A patent/NO20085075L/no not_active Application Discontinuation

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